If it’s true then it’s the task ofMuslims all over the worldistoprovethe truth. ButifISIS did killed him then it only proves theirbarbarism. How cana Muslimkillother Muslimwho is notguilty?Didn’tthe Prophet himself forbid his troopsto kill unbelieverswhosaid ‘La ilaha illallaah‘ (there’s no God but Allah) on thebattlefield, evenfor whatever reason.